baber/WOPTO huggingface dataset:
Patent GB-715042-A (GB)
Title: Improvements in and relating to ball-point pens
IPC: B43K7/02
Filed: 1951-08-03
Abstract: 715,042. Reservoir pens. BUSSCHE, H. K. D. VAN DEN. Aug. 3, 1951 [Aug. 3. 1950], No. 18470/51. Class 146(3) In a ball-point pen for use with either viscous or ordinary writing inks, the reservoir is constructed such that at least a part thereof is permeable to air and non- permeable to the ink used therein. The reservoir may be of non-capillary dimensions. As shown in Fig. 1, a tip member 1, having a housing 2 for a writing ball 3 and ink passages 5, 6 therein, fits into a holder 10 which serves also as an ink reservoir. A closure plug 14 for the holder is recessed at 17 and has a membrane 15 of material such as latex, which is permeable to air but not to ink, fitted across the inner and cylindrical surfaces thereof. The plug has a hole 18 therein so that air can pass into the recess 17 and through the face 16 of the membrane into the reservoir. To prevent the ink drying on the membrane the latter is smooth, or liquid-repelling, e.g. of cauterized gypsum. In a modification, the reservoir is separate from the holder and comprises a cylindrical element made entirely of latex: it is closed at one end, and open at the other end which is fitted over a neck-like extension of the tip member. In Fig. 4 the latex reservoir 30 comprises a separate refill member which is entirely closed and charged with ink 33; it is pierced for use in the holder 34 by a hollow needle-like extension 39 of the tip member 36. The reservoir end walls 31, 32 are thicker than the side walls. Specification 573.747 is referred to.
Patent GB-877462-A (GB)
Title: Method and apparatus for making hones
IPC: B24D18/00
Filed: 1958-06-10
Abstract: 877,462. Moulding gear hones. NATIONAL BROACH & MACHINE CO. June 10, 1958 [Aug. 12, 1957], No. 18504/58. Class 87(2). Gear hones are cast from plastic material in the mould cavity formed between an annular internally toothed mould 38, a concentric cylinder 12, and a bottom plate 32, the bottom plate and cylinder being pressed out of the annular mould 38 and the cast hone after the plastic has been cured and the cast hone then being pressed out of the mould. The annular mould 38 has a locating flange 40 engaging the outer surface 34 of the bottom plate 32 and it surrounds an annular tooth forming portion 42 preferably formed of plastic, e.g. epoxy resin. A pin 18 movable longitudinally of the cylinder 12 is urged inwardly by a compresssion spring 30, the head 20 of the pin engaging a U-shaped clamp 52. The apparatus may be used to produce the tooth forming portion 42 in which case a model gear is positioned on the cylinder 12, the mould cavity being filled with plastic material which is then cured. The hone comprises a pre-formed plastic core 54 and an outer toothed portion 62 moulded from plastic, e.g. epoxy resin, mixed with abrasive particles, e.g. silicon carbide, in an evacuated chamber to eliminate air bubbles and poured immediately afterwards into the mould cavity to avoid settling of the particles, preferably also in an evacuated chamber. The flange 40 is made slightly longer than the thickness of the bottom plate 32 so as to leave a space 60, Fig. 5, into which air which would otherwise be entrapped in the bottom of the cavity may escape. An excess 64 of plastic material 62 is provided so that the east hone is retained in the mould 38 when the cylinder 12 and bottom plate 32 are removed. The mould assembly is then inverted and the cast hone pressed out by a press head, which may have a lower portion which is rotatable for assisting the removal of a cast helical gear.
Patent GB-1180633-A (GB)
Title: Improvements in or relating to Gearboxes
IPC: F16H57/033
Filed: 1967-04-21
Abstract: 1,180,633. Change-speed gearing. SOC. ANON. DE VEHICULES INDUSTRIELS ET D'EQUIPEMENTS MECANIQUES SAVIEM. 21 April, 1967 [21 April, 1966], No. 18519/67. Heading F2D. The casing of a six-speed and reverse, or (as shown) of a ten-speed and two reverse, countershaft gear for vehicles is internally divided into three parts by partitions 4 and 5, providing bearing supports for the countershaft 3 and the input and output shafts 1 and 2; a pick-off input train A is provided in a first part 19 of the casing which also forms the main clutch 6 housing; trains B-F, engaged by synchronizing dogclutches 7, 8 and 22 are located in a central part 15 formed without peripheral orifices for robustness, the train B being a pick-off train; and a reverse train G being formed in the third part 17. Both the six-speed and ten-speed gear-boxes may be assembled to provide an overdrive. As shown, the clutch disc 6 is mounted on an input sleeve 27 adapted to be clutched by a device 23 either to the input pinion of train A, freely mounted on shaft 1, or to the input pinion of train B, fast with shaft 1, synchronizing dogclutch 22 clutching shaft 1 to shaft 2 for direct drive, and for drive through train A to train B which may be the overdrive. Again, Fig. 2 (not shown), a six-speed gear-box is shown in which the clutch disc 6 is mounted directly on shaft 1 which is rotatably fast with the input pinion of train A, and the train B is a simple countershaft train, a double synchronizing dog-clutch (9) providing direct drive or clutching the respective pinion of train B to the shaft 2. The axial length of the gear-box is reduced by utilizing the synchronizing dog-clutches of Specification 1,118,642 and the working of gear-wheels of Specifications 1,180,632 and 1,170,165. The gear selector and control 21 and forks 25 are as described in Specifications 1,176,536 and 1,159,753 and may be power assisted by the compressed air system of Specification 1,177,375 (modified by the doubleacting actuator of Specification 1,166,819).
Patent GB-1086118-A (GB)
Title: Improvements in or relating to ground-based aircraft flight simulating apparatus
Inventor: THURNER MICHAEL RICHARD LOUIS
IPC: G09B9/46
Filed: 1965-05-03
Abstract: 1,086,118. Grounded flight trainers. COMMUNICATIONS PATENTS Ltd. May 3, 1965, No. 18562/65. Heading B7W. A ground-based helicopter flight simulator includes means for simulating the effect of stalling of the rotor blades using signals representative, at one azimuth angle of a blade, of blade pitch angle, and velocities normal to and tangential to the rotor disc. The maximum blade pitch angle (for the tip of a retreating blade) is calculated by computing means (Fig. 3, not shown) using the formula: where AOD, B ID  and X are respectively the collective pitch, maximum lateral cyclic pitch, and blade twist angle, #D is the ratio vertical air velocity: blade tip velocity, p is the rate of roll, # the rotor angular velocity, and Áx the ratio rotor hub forward speed: blade tip velocity. A shaft whose rotational position is representative of the pitch angle α drives potentiometers which produce signals, when α exceeds the stalling angle, representing increases in rotor drag and torque coefficients, a reduction in rotor thrust coefficient, and variations in pitch and roll rates. A further signal is supplied from a frequency generator, the frequency of whose output varies with rotor speed #, through a similar potentiometer, to a force generator for vibrating the pilot's compartment.
Patent GB-868527-A (GB)
Title: Improved fan aggregate for the transport of hot gases
IPC: F04D29/36
Filed: 1959-06-01
Abstract: 868,527. Axial-flow fans. SVENSKA FLAKTFABRIKEN A.G. June 1, 1959 [July 9, 1958], No. 18572/59. Class 110 (1). In a fan assembly for the transport of hot flue gases comprising a propeller fan 1 with adjustable blades 6, mounted in a housing 2, connected to an inlet hood 3 and to an exhaust diffuser 4, the housing and the diffuser are supported by two or more pairs of bearing plates 19 attached to both sides of the housing 2 and diffuser 4, level with fan axis, and arranged to rest on fixed pedestals 20 independent of the fan housing and diffuser. The bearing plates are located by means of bolts 21 movable in the bearing plates and are pressed against the pedestals by springs 22 surrounding the bolts and abutting flat bars or washers 23 attached to the bolts. Two guide means 25 under the fan-housing engage a short guide rail 26 attached to a fixed foundation 27. The fan blades are adjusted by an axially displaceable disc 8 connected by levers 9 to the blade journals 7. The fan axle 5 has a bearing 13 and its driving end 5a is supported outside the housing by a fixed pedestal 16 and is connected to an electric motor 15 on a foundation 17. The disc 8 is carried on an axle 10 coaxial with the fan shaft 5 and is displaced from outside the fan assembly by adjusting mechanism partly enclosed in a hub cone 12.
Patent GB-430611-A (GB)
Title: Means for preventing waste of fuel on closing the throttle valve of internal-combustion engines
IPC: F02M3/04
Filed: 1934-06-23
Abstract: 430,611. Spray carburetters. SMITH, F., c/o F. Smith & Co. (Elland), Ltd., Huddersfield Road, Elland, Yorkshire. June 23, 1934, No. 18588. [Class 7 (iii)] During overrunning, the intense suction occurring in the induction pipe with the closure of the throttle 8 operates, through a pipe 10 to raise a spring pressed piston 22 in a casing 18 and the lifting of the piston permits a spring 28 to close a ball or other valve 25 in the fuel supply line 3, the valve normally being held open by an extension 26 on the piston or valve. The piston is stepped at 23 to permit air to be drawn through a screen 21 and reduced portion 19 of the casing to a chamber 12 when the piston is lifted from its seat 24. The chamber 12 communicates through a pipe 15 with the byepass nozzle 7 to avoid undue depression in the mixing chamber 1. In a modification, the valve is operated by a solenoid the circuit of which is completed by depression of a suction operated piston. Separate casings and pistons may be provided for the fuel control and the byepass.
Patent GB-909274-A (GB)
Title: End to end connection for bars, especially mine roof bars
IPC: E21D17/086
Filed: 1959-06-01
Abstract: 909,274. Mine roof supporting bars. VANWERSCH, L., VANWERSCH, A., and VANWERSCH, P. June 1, 1959 [May 30, 1958; Oct. 27, 1958], No. 18626/59. Class 20 (2). [Also in Group XXV] In bars for supporting mine roofs having end to end fork and tongue engagement and joined by a pin 3 in apertures in both bars and a wedge 4 in apertures in the fork 1 of the already positioned bar and engaging the upper inclined surface of the tongue 2 of the bar that is being positioned, to force it against the mine roof, the pin or the wedge has a friction member 5 to retard their movement. The member 5 is a spring ring surrounding the narrow end of the wedge and has projections engaging grooves 4a in the wedge which have abutments to engage the projections to prevent withdrawal of the wedge, the ring 5 being retained by a ring 6. The end of the wedge is sufficiently narrow to allow it to be passed round the tip of the tongue 2. In a modification the member 5 is not a complete ring and is secured to the bar by a rivet and in another modification a spring ring prevents rotation of the member 5. In a still further modification the pin 3 is provided with a friction member.
Patent GB-390477-A (GB)
Title: Electro-mechanical transmission of motion
IPC: H02P9/00
Filed: 1931-06-29
Abstract: 390,477. Systems for transmitting mechanical power. TAMINI, M., 2, Piazza Melozzo de Forli, Milan, Italy. June 29, 1931, No. 18702. Convention date, Nov. 6, 1930. Void [Published under Sect. 91 of the Acts]. Drawings to Specification. Class 38 (iv).] An electro-mechanical transmission system, for motor vehicles, for example, comprises a dynamo and a motor between which power may be transmitted electrically, means, such as a clutch, adapted to provide a mechanical drive between the dynamo and motor shafts and provision for interchanging the two modes of transmission. A speed-governor may be provided to make the interchange automatically. The object is to avoid energy losses in the electric transmission when a direct drive is possible, and the electric transmission circuit is interrupted when the clutch is engaged.
Patent GB-492414-A (GB)
Title: Improvements in or relating to electric follow-up control systems
IPC: G05D3/16
Filed: 1937-07-06
Abstract: 492,414. Electric control systems ; valve relays. SOC. ANON. HEWITTIC, and DEMONTVIGNIER, M. July 6, 1937, No. 18757. Convention date, July 9, 1936. [Class 40 (i)] [Also in Group XL] In a control system of the automaticallybalanced A.C. bridge type, the servomotor is controlled by two gas discharge tubes 15, 16 the anodes of which are supplied in phase opposition and the grids are negatively biassed by the resultant voltage of the D.C. voltage across resistance 23 derived from the transformer 18 through the rectifier 19 and smoothing circuit 21, 22 and of the unsmoothed pulsating voltage across a tapping of the resistance 20. The out-of-balance voltage of the bridge 1, 2 is supplied to the valves 15, 16 through a transformer 11 in the output circuit of the amplifier 6, 7 and the arrangement is such that the grid bias on the valves 15, 16 prevents their simultaneous operation. The anode circuits of the valves 15, 16 include relays 31, 32 which control the operating magnets 40, 41 of a hydraulic servomotor 42 .. 45. The relays also control interlocking contacts 35, 38 which prevent simultaneous operation of the relays and further contacts 33, 34 which control a short-circuit across a portion of the resistance À20 to compensate for the difference in the striking and extinguishing characteristics of the valves. Corrections may be introduced into the system, e.g. a permanent angular deviation between the controlling and controlled member, drift of a projectile &c. by an adjustable source of A.C. inserted in the input or output of the amplifier. Several controlled members having different relative positions may be operated by a single controlling member.
Patent GB-130867-A (GB)
Title: Improvements in Collapsible Life Belts or Buoys.
Inventor: MATHOUILLOT HENRI
IPC: B63C9/08
Filed: 1918-11-15
Abstract: 130,867. Mathouillot, H. Nov 15, 1919. Body attachments, buoyant; buoys. - In collapsible life-saving belts or buoys of the type made up of impermeable fabric distensible by spiral springs, the belt, or buoy, or each compartment of it, is provided with a plurality of independent springs. Catches are provided to secure the appliances in collapsed condition. In the buoy shown in Fig. 1, strips a, a' of wood or metal are covered by pliable impermeable tissue. and, when released, are distended, as shown, by springs b similar to mattress springs. The floats so formed are connected by bonds d, and are provided with handles e and belts f, which may have elastic connexions to permit of adjustment. Fig. 3 shows a smaller form, for use by one person, the straps a, a', when collapsed, being secured by catches h, i. Two of these may, as shown in Fig. 5, be provided with shoulder straps f and a third strap f<1> adapted to be passed between the legs, so that the appliance can be secured on the person with one float on the chest and the other on the back.
Patent GB-898047-A (GB)
Title: Spectrograph
Inventor: GABRIEL ALAN HENRY
IPC: G01J3/06
Filed: 1959-06-02
Abstract: 898,047. Spectrographs. UNITED KING- DOM ATOMIC ENERGY AUTHORITY. May 20, 1960 [June 2, 1959], No. 18776/59. Class 97(1). A spectrograph which enables a record to be made of a spectrum as it varies with time, comprises a slit through which a beam of radiation passes on to a concave mirror which produces an image of the slit, a mirror rotatably mounted, in the light path from the concave mirror to said image, about an axis parallel to the slit, and dispersing and recording means provided with an aperture having its length parallel to the direction of movement of said slit image and located at the position of said slit image so that it will be swept by the slit image as the mirror rotates. As shown, ultra violet radiation is focused by a convex quartz lens 1 on to a horizontal slit 3 and passes to a concave mirror 4 and thence via plane mirrors 6 and 7 to a vertical slit 9, at which an image of the slit 3 is formed by the mirror 4. The mirror 7 is rotatable about an axis parallel to the slit 3 so that the image of the horizontal slit 3 moves across the vertical slit 9 as the mirror 7 rotates. This slit 9 is the entrance slit of a spectrograph 11 including dispersing and recording means. A quartz field lens 10 images the mirror 7 into the entrance pupil of the spectrograph 11.
Patent GB-220320-A (GB)
Title: Process for retarding the deterioration through oxidation of rubber and similar substances
IPC: C08K3/22
Filed: 1924-08-07
Abstract: The oxidation of india-rubber &c. is retarded by combining with unvulcanized rubber an aldehydeamine reaction-product which retards oxidation during and after vulcanization.  Certain condensation-products of acetaldehyde and aniline possess the necessary properties.  The product obtained by condensing 1 1/2 molecules of acetaldehyde with 1 molecule of aniline in an acid solution in which the hydrogen ion concentration exceeds 1 x 10-3 retards oxidation without affecting the rate of vulcanization.  The condensate of acetaldehyde and aniline in aqueous solution having a hydrogen ion concentration between 1 x 10-3 and 1 x 10-9 retards oxidation and also accelerates vulcanization.  Specifications 180,978 and 208,779 are referred to.
Patent GB-1173992-A (GB)
Title: Production of Phosphatic Fertilisers Based on Urea, Calcium and Ammonium Nitrate
IPC: C05C13/00
Filed: 1967-04-25
Abstract: 1,173,992. Urea-calcium nitrate complex. OFFICE NATIONAL INDUSTRIEL DE L'AZOTE. 25 April, 1967 [26 April, 1966], No. 18946/67. Heading C2C. A urea-calcium nitrate complex, Ca(NO 3 ) 2 .4 CO(NH 2 ) 2 , is obtained, in admixture with ammonium nitrate, ammonium phosphate and calcium hydrogen phosphate in a fertilizer composition, by mixing calcium nitrate tetrahydrate, obtained from nitric acid attack on natural phosphates and impregnated with acid mother-liquor, with an ammoniacal urea solution and concentrating and granulating the resultant product. The urea solution may be obtained from a urea synthesis operation and may contain 70-82% urea and 0À5-2% ammonia (free, or as ammonium carbamate). The reaction may be carried out with calcium nitrate dissolved in its water of crystallization at 41‹ C.
Patent GB-1001036-A (GB)
Title: Improvements in and relating to apparatus for feeding articles
IPC: B65B23/14
Filed: 1964-05-07
Abstract: 1,001,036. Endless conveyers; packaging. SCHWEIZERISCHE INDUSTRIE-GESELL. SCHAFT. May 7, 1964 [May 8, 1963], No. 18966/64. Headings B8A and B8C. Articles 9 are fed by pushers 5 of an endless conveyer from stacks in a pair of shoots 7, 8, there being a slope 6 between the shoots so that each article 9<SP>11</SP> extracted from the shoot 8 is carried away by a pusher 5 on top of an article 9<SP>1</SP> previously extracted by the pusher from the shoot 7. The pushers 5 are pivotally mounted on their conveyer chain 2 and tend to fold to a non-pushing position X. They are retained in an article pushing position by a guide 12a. The leading pusher 3a of each group of pushers 3a, 3b is retained in article pushing position by being provided with a pin 14 which coacts with a guide rail 13. By this means a group of two pairs of articles is pushed on together into a carton 10 which is then surrounded by wrapping material 11. The wrapping tube so produced is transversely seamed and individual packages formed (not shown). There may alternatively be as many as n stacks of articles 9. The stacks may be formed for other unspecified purposes than cartoning and wrapping.
Patent GB-1472981-A (GB)
Title: Mounting for telephone dials
IPC: H04M1/23
Filed: 1974-05-01
Abstract: 1472981 Sets NORTHERN TELECOM Ltd 1 May 1974 [7 May 1973] 19075/74 Heading H4J [Also in Divisions E2 and F2] A dial 40 (Fig. 7) or 60 (Fig. 6) or some other component is supported in a telephone housing 10 by two mountings 12 (Fig. 1) each comprising a locating and anchoring member 13 (see Fig. 2), a resilient support and retaining member 14 and a guide 15. Each member 13 comprises a stop portion 19 having a recess 22 for engaging a projection 65 (Fig. 6) on an L-shaped bracket 41 or 42. Each guide 15 has a pair of parallel ribs 20 spaced apart to define a channel to receive a base leg 43 or 47 of a bracket 41 or 42. Each member 13 has an upwardly extending locating portion 17 above the stop portion 19. The guide 15 may be an extension of member 13. Each resilient support and retaining member 14 comprises a resilient web 23 extending upwardly and an upper retainer (27) Fig. 4 (not shown) for retaining the bracket 41 or 42 on its mounting 12. An end stop 30 is adjacent the member 14. The locating and anchoring member 13 has a side face 25 and the resilient web 23 of the support and retaining member 14 has a side face 24 in a common plane with the side face 25. The common plane is in alignment with an interior side face of the channel of the guide 15 so that, when located, a planar surface of a bracket 41 or 42 is in contact with all said faces. The brackets 41, 42 are a pair of opposite hand. They are of L-shaped metal with a portion 45 or 49 displaced from but parallel to the plane of the remainder by a double bend 46. For supporting a rotary dial 40 (Fig. 7) the brackets 41 and 42 are mounted with the portions 45 and 49 away from each other and the shanks of screws 54 engage extensions 52 of an aperture 50 for mounting a pushbutton dial 60 (Fig. 6) the brackets 41 and 42 are reversed so that the portions 45 and 49 are towards each other and the shanks of screws 61 enter extensions 53 of aperture 50. The whole unit comprising dial and brackets may be easily snapped into or removed from the two mountings 12. Features of the mounting arrangement also form the subject of Specification 1,472,982.
Patent GB-437465-A (GB)
Title: Improvements in or relating to wing tip floats for seaplanes
IPC: B64D45/00
Filed: 1934-06-28
Abstract: 437,465. Hydraulic shock-absorbers. SHORT, H. O., and GOUGE, A., Seaplane Works, Rochester, Kent. June 28, 1934, No. 19101. [Class 108 (iii)] [See also Group XXXIII] A dashpot or equivalent frictional connection is interposed between a seaplane wing and a wing tip float in order to absorb oscillations occurring in the wing and float and thus to prevent the wing and float from oscillating together as a unit. Swinging movements of the float are controlled by a dashpot contained in a telescopic diagonal strut comprising a tube 15 carrying an oil cylinder 81 which is a sliding fit within a tube 16 which carries a piston rod 19 passing through stuffing boxes on plugs fitted at either end of cylinder 18. A perforated piston 20 is mounted on rod 19 substantially midway of cylinder 18 and provides an abutment for coiled springs 23, 123. The outer end of spring 123 abuts against a thrust bearing 27 carried by cylinder closing plug 29. Cylinder 18 is filled with oil through an aperture normally closed by a screw 40, a second screw serving to close an air vent. Expansion of the strut is limited by a stop 31 carried by piston rod 19 and contraction by the opposed ends of cylinders 15, 16.
Patent GB-638820-A (GB)
Title: Improvements relating to drop handles for coffins
IPC: A61G17/04
Filed: 1948-07-16
Abstract: 638,820. Handles. INGALL, PARSONS, CLIVE & CO., Ltd., and PURVES, W. A. July 16, 1948, No. 19101. [Class 52 (i)] In a drop handle the horizontal member 7 and the integral parallel arms 7a, by which the handle is pivoted on a base plate, are of channel section, the open side of the channel being on the rear face of the handle and the portion of the channel between the arms being covered by a plate 9. The plate is flanged to seat upon the flange 7b and is secured to the horizontal member by pins 7f projecting from a seating 7e. In modifications the arms 7a may be solid, and the inner face of the bar 7, ribbed, to impart rigidity. Reference has been directed by the Comptroller to Specification 644,235.